/**
 * 登录脚本 用于显示登录窗口及登录操作
 */
var xy = [300, 300];
var islogin = false;
function login(cb) {
	if(islogin){
		return;
	}
	islogin = true;
	
	var uid = Ext.getCmp('uid').getValue();
	var pwd = Ext.getCmp('pwd').getValue();
	Ext.Ajax.request({
		url: '../bmc-core/user/login',
		params: {
			uid_: uid,
			pwd: MD5(pwd)
		},
		success: function(resp){
			try{
				var o = Ext.decode(resp.responseText);
				if(!o.success){
					islogin = false;
					Ext.Msg.alert('无法登陆系统', o.message);
					if(cb){
						cb(resp);
					}
				}else{
					window.location.href= '../'+o.data; 
				}
			}catch(e){}
		},
		failure: function(){
			Ext.Msg.alert('无法登陆系统', '网络故障，请联系管理员。');
		}
	});
};

Ext.onReady(function() {
	
	Ext.widget('container', {
		padding: '10 10 10 10',
		cls: 'fzl_login',
		viewModel: {
			data: {
				uid: null,
				pwd: null
			},
			formulas: {
				ok: function (get) {return (get('uid') && get('pwd')) ? true : false; }
			}
		},
		x: Ext.getBody().getWidth()/2 + 100,
		y: 430,
		width: 220,
		layout: {
			type: 'vbox',
			align: 'stretch'
		},
		floating: true,
		shadow: false,
		renderTo: Ext.getBody(),
		defaults: {
			anchor: '100%'
		},
		items: [{
			xtype: 'textfield',
			id: 'uid',
			name: 'uid',
			fieldLabel: '用&nbsp;&nbsp;&nbsp;&nbsp;户',
			labelWidth: 60,
			bind: {
				value: '{uid}'
			},
			listeners: {
				afterrender: function(){
					this.focus();
				}
			}
		}, {
			xtype: 'textfield',
			id: 'pwd',
			name: 'pwd',
			inputType: 'password',
			fieldLabel: '密&nbsp;&nbsp;&nbsp;&nbsp;码',
			labelWidth: 60,
			bind: {
				value: '{pwd}'
			},
			listeners: {
				afterrender: function(){
					//回车自动登录
					new Ext.util.KeyNav({
					    target: this.el,
					    enter: function(e){
					    	var btn = Ext.getCmp('loginBtn');
					    	btn.setText('登录中');
							btn.disable();
							login(function(){
								btn.setText('登录');
								btn.enable();
							});
					    }
					});
				}
			}
		}, {
			xtype: 'button',
			id: 'loginBtn',
			text: '登录',
			bind: {
				disabled: '{!ok}'
			},
			handler: function(btn) {
				btn.setText('登录中');
				btn.disable();
				login(function(){
					btn.setText('登录');
					btn.enable();
				});
			}
		}]
	});
});

function MD5(inputText) {
	var hexcase = 0;
	var b64pad = '';
	var chrsz = 8;
	function hex_md5(s) {
		return binl2hex(core_md5(str2binl(s), s.length * chrsz));
	}
	function b64_md5(s) {
		return binl2b64(core_md5(str2binl(s), s.length * chrsz));
	}
	function hex_hmac_md5(key, data) {
		return binl2hex(core_hmac_md5(key, data));
	}
	function b64_hmac_md5(key, data) {
		return binl2b64(core_hmac_md5(key, data));
	}
	function calcMD5(s) {
		return binl2hex(core_md5(str2binl(s), s.length * chrsz));
	}

	function md5_vm_test() {
		return hex_md5('abc') == '900150983cd24fb0d6963f7d28e17f72';
	}

	function core_md5(x, len) {

		x[len >> 5] |= 0x80 << ((len) % 32);
		x[(((len + 64) >>> 9) << 4) + 14] = len;
		var a = 1732584193;
		var b = -271733879;
		var c = -1732584194;
		var d = 271733878;
		for (var i = 0; i < x.length; i += 16) {
			var olda = a;
			var oldb = b;
			var oldc = c;
			var oldd = d;

			a = md5_ff(a, b, c, d, x[i + 0], 7, -680876936);
			d = md5_ff(d, a, b, c, x[i + 1], 12, -389564586);
			c = md5_ff(c, d, a, b, x[i + 2], 17, 606105819);
			b = md5_ff(b, c, d, a, x[i + 3], 22, -1044525330);
			a = md5_ff(a, b, c, d, x[i + 4], 7, -176418897);
			d = md5_ff(d, a, b, c, x[i + 5], 12, 1200080426);
			c = md5_ff(c, d, a, b, x[i + 6], 17, -1473231341);
			b = md5_ff(b, c, d, a, x[i + 7], 22, -45705983);
			a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416);
			d = md5_ff(d, a, b, c, x[i + 9], 12, -1958414417);
			c = md5_ff(c, d, a, b, x[i + 10], 17, -42063);
			b = md5_ff(b, c, d, a, x[i + 11], 22, -1990404162);
			a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682);
			d = md5_ff(d, a, b, c, x[i + 13], 12, -40341101);
			c = md5_ff(c, d, a, b, x[i + 14], 17, -1502002290);
			b = md5_ff(b, c, d, a, x[i + 15], 22, 1236535329);
			a = md5_gg(a, b, c, d, x[i + 1], 5, -165796510);
			d = md5_gg(d, a, b, c, x[i + 6], 9, -1069501632);
			c = md5_gg(c, d, a, b, x[i + 11], 14, 643717713);
			b = md5_gg(b, c, d, a, x[i + 0], 20, -373897302);
			a = md5_gg(a, b, c, d, x[i + 5], 5, -701558691);
			d = md5_gg(d, a, b, c, x[i + 10], 9, 38016083);
			c = md5_gg(c, d, a, b, x[i + 15], 14, -660478335);
			b = md5_gg(b, c, d, a, x[i + 4], 20, -405537848);
			a = md5_gg(a, b, c, d, x[i + 9], 5, 568446438);
			d = md5_gg(d, a, b, c, x[i + 14], 9, -1019803690);
			c = md5_gg(c, d, a, b, x[i + 3], 14, -187363961);
			b = md5_gg(b, c, d, a, x[i + 8], 20, 1163531501);
			a = md5_gg(a, b, c, d, x[i + 13], 5, -1444681467);
			d = md5_gg(d, a, b, c, x[i + 2], 9, -51403784);
			c = md5_gg(c, d, a, b, x[i + 7], 14, 1735328473);
			b = md5_gg(b, c, d, a, x[i + 12], 20, -1926607734);
			a = md5_hh(a, b, c, d, x[i + 5], 4, -378558);
			d = md5_hh(d, a, b, c, x[i + 8], 11, -2022574463);
			c = md5_hh(c, d, a, b, x[i + 11], 16, 1839030562);
			b = md5_hh(b, c, d, a, x[i + 14], 23, -35309556);
			a = md5_hh(a, b, c, d, x[i + 1], 4, -1530992060);
			d = md5_hh(d, a, b, c, x[i + 4], 11, 1272893353);
			c = md5_hh(c, d, a, b, x[i + 7], 16, -155497632);
			b = md5_hh(b, c, d, a, x[i + 10], 23, -1094730640);
			a = md5_hh(a, b, c, d, x[i + 13], 4, 681279174);
			d = md5_hh(d, a, b, c, x[i + 0], 11, -358537222);
			c = md5_hh(c, d, a, b, x[i + 3], 16, -722521979);
			b = md5_hh(b, c, d, a, x[i + 6], 23, 76029189);
			a = md5_hh(a, b, c, d, x[i + 9], 4, -640364487);
			d = md5_hh(d, a, b, c, x[i + 12], 11, -421815835);
			c = md5_hh(c, d, a, b, x[i + 15], 16, 530742520);
			b = md5_hh(b, c, d, a, x[i + 2], 23, -995338651);
			a = md5_ii(a, b, c, d, x[i + 0], 6, -198630844);
			d = md5_ii(d, a, b, c, x[i + 7], 10, 1126891415);
			c = md5_ii(c, d, a, b, x[i + 14], 15, -1416354905);
			b = md5_ii(b, c, d, a, x[i + 5], 21, -57434055);
			a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571);
			d = md5_ii(d, a, b, c, x[i + 3], 10, -1894986606);
			c = md5_ii(c, d, a, b, x[i + 10], 15, -1051523);
			b = md5_ii(b, c, d, a, x[i + 1], 21, -2054922799);
			a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359);
			d = md5_ii(d, a, b, c, x[i + 15], 10, -30611744);
			c = md5_ii(c, d, a, b, x[i + 6], 15, -1560198380);
			b = md5_ii(b, c, d, a, x[i + 13], 21, 1309151649);
			a = md5_ii(a, b, c, d, x[i + 4], 6, -145523070);
			d = md5_ii(d, a, b, c, x[i + 11], 10, -1120210379);
			c = md5_ii(c, d, a, b, x[i + 2], 15, 718787259);
			b = md5_ii(b, c, d, a, x[i + 9], 21, -343485551);

			a = safe_add(a, olda);
			b = safe_add(b, oldb);
			c = safe_add(c, oldc);
			d = safe_add(d, oldd);
		}
		return Array(a, b, c, d);

	}

	function md5_cmn(q, a, b, x, s, t) {
		return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b);
	}
	function md5_ff(a, b, c, d, x, s, t) {
		return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
	}
	function md5_gg(a, b, c, d, x, s, t) {
		return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
	}
	function md5_hh(a, b, c, d, x, s, t) {
		return md5_cmn(b ^ c ^ d, a, b, x, s, t);
	}
	function md5_ii(a, b, c, d, x, s, t) {
		return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
	}

	function core_hmac_md5(key, data) {
		var bkey = str2binl(key);
		if(bkey.length > 16)
			bkey = core_md5(bkey, key.length * chrsz);

		var ipad = Array(16), opad = Array(16);
		for (var i = 0; i < 16; i++) {
			ipad[i] = bkey[i] ^ 0x36363636;
			opad[i] = bkey[i] ^ 0x5C5C5C5C;
		}

		var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
		return core_md5(opad.concat(hash), 512 + 128);
	}

	function safe_add(x, y) {
		var lsw = (x & 0xFFFF) + (y & 0xFFFF);
		var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
		return (msw << 16) | (lsw & 0xFFFF);
	}

	function bit_rol(num, cnt) {
		return (num << cnt) | (num >>> (32 - cnt));
	}

	function str2binl(str) {
		var bin = Array();
		var mask = (1 << chrsz) - 1;
		for (var i = 0; i < str.length * chrsz; i += chrsz)
			bin[i >> 5] |= (str.charCodeAt(i / chrsz) & mask) << (i % 32);
		return bin;
	}

	function binl2hex(binarray) {
		var hex_tab = hexcase ? '0123456789ABCDEF' : '0123456789abcdef';
		var str = '';
		for (var i = 0; i < binarray.length * 4; i++) {
			str += hex_tab.charAt((binarray[i >> 2] >> ((i % 4) * 8 + 4)) & 0xF) + hex_tab.charAt((binarray[i >> 2] >> ((i % 4) * 8)) & 0xF);
		}
		return str;
	}

	function binl2b64(binarray) {
		var tab = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
		var str = '';
		for (var i = 0; i < binarray.length * 4; i += 3) {
			var triplet = (((binarray[i >> 2] >> 8 * (i % 4)) & 0xFF) << 16) | (((binarray[i + 1 >> 2] >> 8 * ((i + 1) % 4)) & 0xFF) << 8) | ((binarray[i + 2 >> 2] >> 8 * ((i + 2) % 4)) & 0xFF);
			for (var j = 0; j < 4; j++) {
				if(i * 8 + j * 6 > binarray.length * 32)
					str += b64pad;
				else
					str += tab.charAt((triplet >> 6 * (3 - j)) & 0x3F);
			}
		}
		return str;
	}
	return hex_md5(inputText);
};